How is the author's viewpoint that Toby has improved Parker's life conveyed in the Newsela article "Shelter Dog Protects Owner with Epilepsy"?

through an account of how Parker's essay led to a donation for Labradors

through a discussion of the value of dogs like Toby who are rescued from shelters

through the story of the first time Parker's family met Toby at the animal shelter

through the explanation that Toby can sense when Parker will have a seizure